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Owl Nebula
释义
Owl Nebula
Encyclopedia
理学
行星状星云
释
Owl Nebula
夜枭星云
位于大熊星座的一个比较复杂的行星状星云。星表中的编号为M97和NGC3587。距离地球2030光年(621秒差距),视星等为9.9,年龄约8千年。又称猫头鹰星云。
Astronomy
Owl Nebula
夜枭星云
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particle-rotor model
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particle size analyzer
particle size distribution
particle size distribution criterion of clastic rock
particle size distribution of atmospheric dust in China
particle size distribution of drilling fluid
particle size measurements
particle size of mineral
particle size soft sensor
particle size spectrum
particle solid-liquid separating equipment
particle spectra
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